Nature Communications (May 2020)

A divisive model of evidence accumulation explains uneven weighting of evidence over time

  • Waitsang Keung,
  • Todd A. Hagen,
  • Robert C. Wilson

DOI
https://doi.org/10.1038/s41467-020-15630-0
Journal volume & issue
Vol. 11, no. 1
pp. 1 – 9

Abstract

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Divisive normalization is thought to be a ubiquitous computation in the brain, but has not been studied in decisions that require integrating evidence over time. Here, the authors show in humans that dynamic divisive normalization accounts for the uneven weighting of perceptual evidence over time.